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the electronic configuration of Mn+2 is 3d5 and
not 3d2.4s2
because d subshell's want to full thier subshell
the 3d's energy more than 4s
not 3d2.4s2
because d subshell's want to full thier subshell
the 3d's energy more than 4s
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Electronic configuration of Mn+2 is 3d5 because the electrons from the lower energy must be removed first .
As 4s<3d first the electrons of 4s are removed
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